CEL just went on. Code PO153 came up. According to the RennTech info. that describes an "aging oxygen sensor ahead of TWC cylinders 4-6."
:( Help, what is the difference between code PO153 "aging" oxygen sensor ahead of TWC cylinders 4-6 and code PO150, "oxygen sensor ahead of TWC cylinders 4-6?" What is the aging process like for an oxygen sensor? Is this aging code telling me that soon there will be a code PO150 where the sensor fails?
How serious is this aging code, can I still drive the car for a while and how soon should the sensor be replaced?
Thanks ahead of time!